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4c98834a EA |
1 | /* |
2 | * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher | |
3 | * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland | |
4 | * Copyright (c) 2002, 2003 Tuukka Toivonen | |
5 | * Copyright (c) 2008 Erik Andrén | |
6 | * Copyright (c) 2008 Chia-I Wu | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * P/N 861037: Sensor HDCS1000 ASIC STV0600 | |
23 | * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600 | |
24 | * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express | |
25 | * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam | |
26 | * P/N 861075-0040: Sensor HDCS1000 ASIC | |
27 | * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB | |
28 | * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web | |
29 | */ | |
30 | ||
133a9fe9 JP |
31 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
32 | ||
4c98834a EA |
33 | #include "stv06xx_hdcs.h" |
34 | ||
766231ab EA |
35 | static struct v4l2_pix_format hdcs1x00_mode[] = { |
36 | { | |
37 | HDCS_1X00_DEF_WIDTH, | |
38 | HDCS_1X00_DEF_HEIGHT, | |
c0ea8f5b | 39 | V4L2_PIX_FMT_SGRBG8, |
766231ab EA |
40 | V4L2_FIELD_NONE, |
41 | .sizeimage = | |
42 | HDCS_1X00_DEF_WIDTH * HDCS_1X00_DEF_HEIGHT, | |
43 | .bytesperline = HDCS_1X00_DEF_WIDTH, | |
44 | .colorspace = V4L2_COLORSPACE_SRGB, | |
45 | .priv = 1 | |
46 | } | |
47 | }; | |
48 | ||
766231ab EA |
49 | static struct v4l2_pix_format hdcs1020_mode[] = { |
50 | { | |
51 | HDCS_1020_DEF_WIDTH, | |
52 | HDCS_1020_DEF_HEIGHT, | |
c0ea8f5b | 53 | V4L2_PIX_FMT_SGRBG8, |
766231ab EA |
54 | V4L2_FIELD_NONE, |
55 | .sizeimage = | |
56 | HDCS_1020_DEF_WIDTH * HDCS_1020_DEF_HEIGHT, | |
57 | .bytesperline = HDCS_1020_DEF_WIDTH, | |
58 | .colorspace = V4L2_COLORSPACE_SRGB, | |
59 | .priv = 1 | |
60 | } | |
61 | }; | |
62 | ||
4c98834a EA |
63 | enum hdcs_power_state { |
64 | HDCS_STATE_SLEEP, | |
65 | HDCS_STATE_IDLE, | |
66 | HDCS_STATE_RUN | |
67 | }; | |
68 | ||
69 | /* no lock? */ | |
70 | struct hdcs { | |
71 | enum hdcs_power_state state; | |
72 | int w, h; | |
73 | ||
74 | /* visible area of the sensor array */ | |
75 | struct { | |
76 | int left, top; | |
77 | int width, height; | |
78 | int border; | |
79 | } array; | |
80 | ||
81 | struct { | |
82 | /* Column timing overhead */ | |
83 | u8 cto; | |
84 | /* Column processing overhead */ | |
85 | u8 cpo; | |
86 | /* Row sample period constant */ | |
87 | u16 rs; | |
88 | /* Exposure reset duration */ | |
89 | u16 er; | |
90 | } exp; | |
91 | ||
92 | int psmp; | |
93 | }; | |
94 | ||
95 | static int hdcs_reg_write_seq(struct sd *sd, u8 reg, u8 *vals, u8 len) | |
96 | { | |
97 | u8 regs[I2C_MAX_BYTES * 2]; | |
98 | int i; | |
99 | ||
100 | if (unlikely((len <= 0) || (len >= I2C_MAX_BYTES) || | |
101 | (reg + len > 0xff))) | |
102 | return -EINVAL; | |
103 | ||
ac51295c EA |
104 | for (i = 0; i < len; i++) { |
105 | regs[2 * i] = reg; | |
106 | regs[2 * i + 1] = vals[i]; | |
780e3121 JFM |
107 | /* All addresses are shifted left one bit |
108 | * as bit 0 toggles r/w */ | |
ac51295c | 109 | reg += 2; |
4c98834a EA |
110 | } |
111 | ||
112 | return stv06xx_write_sensor_bytes(sd, regs, len); | |
113 | } | |
114 | ||
115 | static int hdcs_set_state(struct sd *sd, enum hdcs_power_state state) | |
116 | { | |
117 | struct hdcs *hdcs = sd->sensor_priv; | |
118 | u8 val; | |
119 | int ret; | |
120 | ||
121 | if (hdcs->state == state) | |
122 | return 0; | |
123 | ||
124 | /* we need to go idle before running or sleeping */ | |
125 | if (hdcs->state != HDCS_STATE_IDLE) { | |
126 | ret = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 0); | |
127 | if (ret) | |
128 | return ret; | |
129 | } | |
130 | ||
131 | hdcs->state = HDCS_STATE_IDLE; | |
132 | ||
133 | if (state == HDCS_STATE_IDLE) | |
134 | return 0; | |
135 | ||
136 | switch (state) { | |
137 | case HDCS_STATE_SLEEP: | |
138 | val = HDCS_SLEEP_MODE; | |
139 | break; | |
140 | ||
141 | case HDCS_STATE_RUN: | |
142 | val = HDCS_RUN_ENABLE; | |
143 | break; | |
144 | ||
145 | default: | |
146 | return -EINVAL; | |
147 | } | |
148 | ||
149 | ret = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), val); | |
36a516d9 EA |
150 | |
151 | /* Update the state if the write succeeded */ | |
152 | if (!ret) | |
4c98834a EA |
153 | hdcs->state = state; |
154 | ||
155 | return ret; | |
156 | } | |
157 | ||
158 | static int hdcs_reset(struct sd *sd) | |
159 | { | |
160 | struct hdcs *hdcs = sd->sensor_priv; | |
161 | int err; | |
162 | ||
163 | err = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 1); | |
164 | if (err < 0) | |
165 | return err; | |
166 | ||
167 | err = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 0); | |
168 | if (err < 0) | |
169 | hdcs->state = HDCS_STATE_IDLE; | |
170 | ||
171 | return err; | |
172 | } | |
173 | ||
4c98834a EA |
174 | static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val) |
175 | { | |
176 | struct sd *sd = (struct sd *) gspca_dev; | |
177 | struct hdcs *hdcs = sd->sensor_priv; | |
178 | int rowexp, srowexp; | |
179 | int max_srowexp; | |
180 | /* Column time period */ | |
181 | int ct; | |
182 | /* Column processing period */ | |
183 | int cp; | |
184 | /* Row processing period */ | |
185 | int rp; | |
186 | /* Minimum number of column timing periods | |
187 | within the column processing period */ | |
188 | int mnct; | |
189 | int cycles, err; | |
4711ca82 | 190 | u8 exp[14]; |
4c98834a | 191 | |
35ccf8f8 | 192 | cycles = val * HDCS_CLK_FREQ_MHZ * 257; |
4c98834a EA |
193 | |
194 | ct = hdcs->exp.cto + hdcs->psmp + (HDCS_ADC_START_SIG_DUR + 2); | |
195 | cp = hdcs->exp.cto + (hdcs->w * ct / 2); | |
196 | ||
197 | /* the cycles one row takes */ | |
198 | rp = hdcs->exp.rs + cp; | |
199 | ||
200 | rowexp = cycles / rp; | |
201 | ||
202 | /* the remaining cycles */ | |
203 | cycles -= rowexp * rp; | |
204 | ||
205 | /* calculate sub-row exposure */ | |
206 | if (IS_1020(sd)) { | |
207 | /* see HDCS-1020 datasheet 3.5.6.4, p. 63 */ | |
208 | srowexp = hdcs->w - (cycles + hdcs->exp.er + 13) / ct; | |
209 | ||
210 | mnct = (hdcs->exp.er + 12 + ct - 1) / ct; | |
211 | max_srowexp = hdcs->w - mnct; | |
212 | } else { | |
213 | /* see HDCS-1000 datasheet 3.4.5.5, p. 61 */ | |
214 | srowexp = cp - hdcs->exp.er - 6 - cycles; | |
215 | ||
216 | mnct = (hdcs->exp.er + 5 + ct - 1) / ct; | |
217 | max_srowexp = cp - mnct * ct - 1; | |
218 | } | |
219 | ||
220 | if (srowexp < 0) | |
221 | srowexp = 0; | |
222 | else if (srowexp > max_srowexp) | |
223 | srowexp = max_srowexp; | |
224 | ||
225 | if (IS_1020(sd)) { | |
4711ca82 JB |
226 | exp[0] = HDCS20_CONTROL; |
227 | exp[1] = 0x00; /* Stop streaming */ | |
228 | exp[2] = HDCS_ROWEXPL; | |
229 | exp[3] = rowexp & 0xff; | |
230 | exp[4] = HDCS_ROWEXPH; | |
231 | exp[5] = rowexp >> 8; | |
232 | exp[6] = HDCS20_SROWEXP; | |
233 | exp[7] = (srowexp >> 2) & 0xff; | |
234 | exp[8] = HDCS20_ERROR; | |
235 | exp[9] = 0x10; /* Clear exposure error flag*/ | |
236 | exp[10] = HDCS20_CONTROL; | |
237 | exp[11] = 0x04; /* Restart streaming */ | |
238 | err = stv06xx_write_sensor_bytes(sd, exp, 6); | |
4c98834a | 239 | } else { |
4711ca82 JB |
240 | exp[0] = HDCS00_CONTROL; |
241 | exp[1] = 0x00; /* Stop streaming */ | |
242 | exp[2] = HDCS_ROWEXPL; | |
243 | exp[3] = rowexp & 0xff; | |
244 | exp[4] = HDCS_ROWEXPH; | |
245 | exp[5] = rowexp >> 8; | |
246 | exp[6] = HDCS00_SROWEXPL; | |
247 | exp[7] = srowexp & 0xff; | |
248 | exp[8] = HDCS00_SROWEXPH; | |
249 | exp[9] = srowexp >> 8; | |
250 | exp[10] = HDCS_STATUS; | |
251 | exp[11] = 0x10; /* Clear exposure error flag*/ | |
252 | exp[12] = HDCS00_CONTROL; | |
253 | exp[13] = 0x04; /* Restart streaming */ | |
254 | err = stv06xx_write_sensor_bytes(sd, exp, 7); | |
4c98834a EA |
255 | if (err < 0) |
256 | return err; | |
4c98834a | 257 | } |
c93396e1 | 258 | PDEBUG(D_CONF, "Writing exposure %d, rowexp %d, srowexp %d", |
4c98834a EA |
259 | val, rowexp, srowexp); |
260 | return err; | |
261 | } | |
262 | ||
35ccf8f8 | 263 | static int hdcs_set_gains(struct sd *sd, u8 g) |
4c98834a | 264 | { |
35ccf8f8 | 265 | int err; |
4c98834a EA |
266 | u8 gains[4]; |
267 | ||
268 | /* the voltage gain Av = (1 + 19 * val / 127) * (1 + bit7) */ | |
4c98834a EA |
269 | if (g > 127) |
270 | g = 0x80 | (g / 2); | |
4c98834a EA |
271 | |
272 | gains[0] = g; | |
35ccf8f8 JB |
273 | gains[1] = g; |
274 | gains[2] = g; | |
4c98834a EA |
275 | gains[3] = g; |
276 | ||
35ccf8f8 | 277 | err = hdcs_reg_write_seq(sd, HDCS_ERECPGA, gains, 4); |
dec9c514 | 278 | return err; |
4c98834a EA |
279 | } |
280 | ||
281 | static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val) | |
282 | { | |
c93396e1 | 283 | PDEBUG(D_CONF, "Writing gain %d", val); |
4c98834a | 284 | return hdcs_set_gains((struct sd *) gspca_dev, |
35ccf8f8 | 285 | val & 0xff); |
4c98834a EA |
286 | } |
287 | ||
288 | static int hdcs_set_size(struct sd *sd, | |
289 | unsigned int width, unsigned int height) | |
290 | { | |
291 | struct hdcs *hdcs = sd->sensor_priv; | |
292 | u8 win[4]; | |
293 | unsigned int x, y; | |
294 | int err; | |
295 | ||
296 | /* must be multiple of 4 */ | |
297 | width = (width + 3) & ~0x3; | |
298 | height = (height + 3) & ~0x3; | |
299 | ||
300 | if (width > hdcs->array.width) | |
301 | width = hdcs->array.width; | |
302 | ||
303 | if (IS_1020(sd)) { | |
304 | /* the borders are also invalid */ | |
305 | if (height + 2 * hdcs->array.border + HDCS_1020_BOTTOM_Y_SKIP | |
306 | > hdcs->array.height) | |
307 | height = hdcs->array.height - 2 * hdcs->array.border - | |
308 | HDCS_1020_BOTTOM_Y_SKIP; | |
309 | ||
310 | y = (hdcs->array.height - HDCS_1020_BOTTOM_Y_SKIP - height) / 2 | |
311 | + hdcs->array.top; | |
1970f14f EA |
312 | } else { |
313 | if (height > hdcs->array.height) | |
314 | height = hdcs->array.height; | |
315 | ||
4c98834a EA |
316 | y = hdcs->array.top + (hdcs->array.height - height) / 2; |
317 | } | |
318 | ||
319 | x = hdcs->array.left + (hdcs->array.width - width) / 2; | |
320 | ||
321 | win[0] = y / 4; | |
322 | win[1] = x / 4; | |
323 | win[2] = (y + height) / 4 - 1; | |
324 | win[3] = (x + width) / 4 - 1; | |
325 | ||
326 | err = hdcs_reg_write_seq(sd, HDCS_FWROW, win, 4); | |
327 | if (err < 0) | |
328 | return err; | |
329 | ||
330 | /* Update the current width and height */ | |
331 | hdcs->w = width; | |
332 | hdcs->h = height; | |
333 | return err; | |
334 | } | |
335 | ||
dec9c514 HV |
336 | static int hdcs_s_ctrl(struct v4l2_ctrl *ctrl) |
337 | { | |
a8a47860 HG |
338 | struct gspca_dev *gspca_dev = |
339 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); | |
dec9c514 HV |
340 | int err = -EINVAL; |
341 | ||
342 | switch (ctrl->id) { | |
343 | case V4L2_CID_GAIN: | |
a8a47860 | 344 | err = hdcs_set_gain(gspca_dev, ctrl->val); |
dec9c514 HV |
345 | break; |
346 | case V4L2_CID_EXPOSURE: | |
a8a47860 | 347 | err = hdcs_set_exposure(gspca_dev, ctrl->val); |
dec9c514 HV |
348 | break; |
349 | } | |
350 | return err; | |
351 | } | |
352 | ||
353 | static const struct v4l2_ctrl_ops hdcs_ctrl_ops = { | |
354 | .s_ctrl = hdcs_s_ctrl, | |
355 | }; | |
356 | ||
357 | static int hdcs_init_controls(struct sd *sd) | |
358 | { | |
a8a47860 | 359 | struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; |
dec9c514 HV |
360 | |
361 | v4l2_ctrl_handler_init(hdl, 2); | |
362 | v4l2_ctrl_new_std(hdl, &hdcs_ctrl_ops, | |
363 | V4L2_CID_EXPOSURE, 0, 0xff, 1, HDCS_DEFAULT_EXPOSURE); | |
364 | v4l2_ctrl_new_std(hdl, &hdcs_ctrl_ops, | |
365 | V4L2_CID_GAIN, 0, 0xff, 1, HDCS_DEFAULT_GAIN); | |
366 | return hdl->error; | |
367 | } | |
368 | ||
4c98834a EA |
369 | static int hdcs_probe_1x00(struct sd *sd) |
370 | { | |
371 | struct hdcs *hdcs; | |
372 | u16 sensor; | |
373 | int ret; | |
374 | ||
375 | ret = stv06xx_read_sensor(sd, HDCS_IDENT, &sensor); | |
376 | if (ret < 0 || sensor != 0x08) | |
377 | return -ENODEV; | |
378 | ||
133a9fe9 | 379 | pr_info("HDCS-1000/1100 sensor detected\n"); |
4c98834a | 380 | |
766231ab EA |
381 | sd->gspca_dev.cam.cam_mode = hdcs1x00_mode; |
382 | sd->gspca_dev.cam.nmodes = ARRAY_SIZE(hdcs1x00_mode); | |
4c98834a EA |
383 | |
384 | hdcs = kmalloc(sizeof(struct hdcs), GFP_KERNEL); | |
385 | if (!hdcs) | |
386 | return -ENOMEM; | |
387 | ||
388 | hdcs->array.left = 8; | |
389 | hdcs->array.top = 8; | |
390 | hdcs->array.width = HDCS_1X00_DEF_WIDTH; | |
391 | hdcs->array.height = HDCS_1X00_DEF_HEIGHT; | |
392 | hdcs->array.border = 4; | |
393 | ||
394 | hdcs->exp.cto = 4; | |
395 | hdcs->exp.cpo = 2; | |
396 | hdcs->exp.rs = 186; | |
397 | hdcs->exp.er = 100; | |
398 | ||
399 | /* | |
8668d504 | 400 | * Frame rate on HDCS-1000 with STV600 depends on PSMP: |
4c98834a EA |
401 | * 4 = doesn't work at all |
402 | * 5 = 7.8 fps, | |
403 | * 6 = 6.9 fps, | |
404 | * 8 = 6.3 fps, | |
405 | * 10 = 5.5 fps, | |
406 | * 15 = 4.4 fps, | |
407 | * 31 = 2.8 fps | |
408 | * | |
8668d504 | 409 | * Frame rate on HDCS-1000 with STV602 depends on PSMP: |
4c98834a EA |
410 | * 15 = doesn't work at all |
411 | * 18 = doesn't work at all | |
412 | * 19 = 7.3 fps | |
413 | * 20 = 7.4 fps | |
414 | * 21 = 7.4 fps | |
415 | * 22 = 7.4 fps | |
416 | * 24 = 6.3 fps | |
417 | * 30 = 5.4 fps | |
418 | */ | |
8668d504 | 419 | hdcs->psmp = (sd->bridge == BRIDGE_STV602) ? 20 : 5; |
4c98834a EA |
420 | |
421 | sd->sensor_priv = hdcs; | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
426 | static int hdcs_probe_1020(struct sd *sd) | |
427 | { | |
428 | struct hdcs *hdcs; | |
429 | u16 sensor; | |
430 | int ret; | |
431 | ||
432 | ret = stv06xx_read_sensor(sd, HDCS_IDENT, &sensor); | |
433 | if (ret < 0 || sensor != 0x10) | |
434 | return -ENODEV; | |
435 | ||
133a9fe9 | 436 | pr_info("HDCS-1020 sensor detected\n"); |
4c98834a | 437 | |
766231ab EA |
438 | sd->gspca_dev.cam.cam_mode = hdcs1020_mode; |
439 | sd->gspca_dev.cam.nmodes = ARRAY_SIZE(hdcs1020_mode); | |
4c98834a EA |
440 | |
441 | hdcs = kmalloc(sizeof(struct hdcs), GFP_KERNEL); | |
442 | if (!hdcs) | |
443 | return -ENOMEM; | |
444 | ||
445 | /* | |
446 | * From Andrey's test image: looks like HDCS-1020 upper-left | |
447 | * visible pixel is at 24,8 (y maybe even smaller?) and lower-right | |
448 | * visible pixel at 375,299 (x maybe even larger?) | |
449 | */ | |
450 | hdcs->array.left = 24; | |
451 | hdcs->array.top = 4; | |
452 | hdcs->array.width = HDCS_1020_DEF_WIDTH; | |
453 | hdcs->array.height = 304; | |
454 | hdcs->array.border = 4; | |
455 | ||
456 | hdcs->psmp = 6; | |
457 | ||
458 | hdcs->exp.cto = 3; | |
459 | hdcs->exp.cpo = 3; | |
460 | hdcs->exp.rs = 155; | |
461 | hdcs->exp.er = 96; | |
462 | ||
463 | sd->sensor_priv = hdcs; | |
464 | ||
465 | return 0; | |
466 | } | |
467 | ||
468 | static int hdcs_start(struct sd *sd) | |
469 | { | |
c93396e1 TK |
470 | struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; |
471 | ||
4c98834a EA |
472 | PDEBUG(D_STREAM, "Starting stream"); |
473 | ||
474 | return hdcs_set_state(sd, HDCS_STATE_RUN); | |
475 | } | |
476 | ||
477 | static int hdcs_stop(struct sd *sd) | |
478 | { | |
c93396e1 TK |
479 | struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; |
480 | ||
4c98834a EA |
481 | PDEBUG(D_STREAM, "Halting stream"); |
482 | ||
483 | return hdcs_set_state(sd, HDCS_STATE_SLEEP); | |
484 | } | |
485 | ||
4c98834a EA |
486 | static int hdcs_init(struct sd *sd) |
487 | { | |
488 | struct hdcs *hdcs = sd->sensor_priv; | |
489 | int i, err = 0; | |
490 | ||
491 | /* Set the STV0602AA in STV0600 emulation mode */ | |
8668d504 | 492 | if (sd->bridge == BRIDGE_STV602) |
4c98834a EA |
493 | stv06xx_write_bridge(sd, STV_STV0600_EMULATION, 1); |
494 | ||
495 | /* Execute the bridge init */ | |
496 | for (i = 0; i < ARRAY_SIZE(stv_bridge_init) && !err; i++) { | |
497 | err = stv06xx_write_bridge(sd, stv_bridge_init[i][0], | |
498 | stv_bridge_init[i][1]); | |
499 | } | |
500 | if (err < 0) | |
501 | return err; | |
502 | ||
503 | /* sensor soft reset */ | |
504 | hdcs_reset(sd); | |
505 | ||
506 | /* Execute the sensor init */ | |
507 | for (i = 0; i < ARRAY_SIZE(stv_sensor_init) && !err; i++) { | |
508 | err = stv06xx_write_sensor(sd, stv_sensor_init[i][0], | |
509 | stv_sensor_init[i][1]); | |
510 | } | |
511 | if (err < 0) | |
512 | return err; | |
513 | ||
25985edc | 514 | /* Enable continuous frame capture, bit 2: stop when frame complete */ |
4c98834a EA |
515 | err = stv06xx_write_sensor(sd, HDCS_REG_CONFIG(sd), BIT(3)); |
516 | if (err < 0) | |
517 | return err; | |
518 | ||
519 | /* Set PGA sample duration | |
8668d504 | 520 | (was 0x7E for the STV602, but caused slow framerate with HDCS-1020) */ |
4c98834a EA |
521 | if (IS_1020(sd)) |
522 | err = stv06xx_write_sensor(sd, HDCS_TCTRL, | |
523 | (HDCS_ADC_START_SIG_DUR << 6) | hdcs->psmp); | |
524 | else | |
525 | err = stv06xx_write_sensor(sd, HDCS_TCTRL, | |
526 | (HDCS_ADC_START_SIG_DUR << 5) | hdcs->psmp); | |
527 | if (err < 0) | |
528 | return err; | |
529 | ||
dec9c514 | 530 | return hdcs_set_size(sd, hdcs->array.width, hdcs->array.height); |
4c98834a EA |
531 | } |
532 | ||
533 | static int hdcs_dump(struct sd *sd) | |
534 | { | |
535 | u16 reg, val; | |
536 | ||
133a9fe9 | 537 | pr_info("Dumping sensor registers:\n"); |
4c98834a EA |
538 | |
539 | for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH; reg++) { | |
540 | stv06xx_read_sensor(sd, reg, &val); | |
133a9fe9 | 541 | pr_info("reg 0x%02x = 0x%02x\n", reg, val); |
4c98834a EA |
542 | } |
543 | return 0; | |
544 | } |